Digital cellular telecommunications system (Phase 2+);Radio network planning aspects

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1 Scope........................................................................................................................................................6
1.1 References ..........................................................................................................................................................6
1.2 Abbreviations .....................................................................................................................................................6
2 Traffic distributions..................................................................................................................................6
2.1 Uniform..............................................................................................................................................................6
2.2 Non-uniform.......................................................................................................................................................6
3 Cell coverage............................................................................................................................................7
3.1 Location probability ...........................................................................................................................................7
3.2 Ec/No threshold..................................................................................................................................................7
3.3 RF-budgets .........................................................................................................................................................7
3.4 Cell ranges..........................................................................................................................................................8
3.4.1 Large cells.....................................................................................................................................................8
3.4.2 Small cells.....................................................................................................................................................9
3.4.3 Microcells...................................................................................................................................................10
4 Channel re-use........................................................................................................................................10
4.1 C/Ic threshold ...................................................................................................................................................10
4.2 Trade-off between Ec/No and C/Ic...................................................................................................................10
4.3 Adjacent channel suppressions.........................................................................................................................11
4.4 Antenna patterns...............................................................................................................................................11
4.5 Antenna heights................................................................................................................................................11
4.6 Path loss balance ..............................................................................................................................................11
4.7 Cell dimensioning.............................................................................................................................................11
4.8 Channel allocation............................................................................................................................................12
4.9 Frequency hopping...........................................................................................................................................12
4.10 Cells with extra long propagation delay...........................................................................................................12
5 Propagation models ................................................................................................................................13
5.1 Terrain obstacles ..............................................................................................................................................13
5.2 Environment factors .........................................................................................................................................13
5.3 Field strength measurements ............................................................................................................................13
5.4 Cell adjustments ...............................................................................................................................................13
6 Glossary..................................................................................................................................................13
7 Bibliography...........................................................................................................................................1

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